Home / 19,188,809.04-28,775,020-11,107,362.92

Finding the Fourth Proportional to 19,188,809.04, 28,775,020 and 11,107,362.92

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Solution

The fourth proportional to 19,188,809.04, 28,775,020 and 11,107,362.92 is: 16,656,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188,809.04 : 28,775,020 = 11,107,362.92 : x
  2. Step 2: Convert to fraction form
    19,188,809.04/28,775,020 = 11,107,362.92/x
  3. Step 3: Cross multiply
    19,188,809.04x = 28,775,020 × 11,107,362.92
  4. Step 4: Simplify right side
    19,188,809.04x = 319,614,590,170,258.38
  5. Step 5: Solve for x
    x = 319,614,590,170,258.38/19,188,809.04
  6. Step 6: Final answer
    x = 16,656,301.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.